[INFO] fetching crate parsa 1.1.1... [INFO] checking parsa-1.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate parsa 1.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate parsa 1.1.1 [INFO] finished tweaking crates.io crate parsa 1.1.1 [INFO] tweaked toml for crates.io crate parsa 1.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate parsa 1.1.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21 [INFO] running `Command { std: "docker" "start" "-a" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }` [INFO] [stdout] 55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6 [INFO] running `Command { std: "docker" "start" "-a" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling nevermore v0.1.1 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking parsa v1.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `parsa` (lib) due to 4 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/combinators.rs:205:72 [INFO] [stdout] | [INFO] [stdout] 205 | fn parse(&self, s: &mut ParserString) -> Result, Self::Err> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 206 | | let mut out = vec![]; [INFO] [stdout] 207 | | [INFO] [stdout] 208 | | while let Ok(v) = self.p.try_parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 212 | | Ok(out) [INFO] [stdout] 213 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/combinators.rs:212:9 [INFO] [stdout] | [INFO] [stdout] 212 | Ok(out) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/builtins.rs:81:70 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn whitespace(s: &mut ParserString) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 82 | | let mut ctr = 0; [INFO] [stdout] 83 | | [INFO] [stdout] 84 | | while let Ok(c) = next.parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 94 | | Ok(ctr) [INFO] [stdout] 95 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/builtins.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ctr) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/combinators.rs:205:72 [INFO] [stdout] | [INFO] [stdout] 205 | fn parse(&self, s: &mut ParserString) -> Result, Self::Err> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 206 | | let mut out = vec![]; [INFO] [stdout] 207 | | [INFO] [stdout] 208 | | while let Ok(v) = self.p.try_parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 212 | | Ok(out) [INFO] [stdout] 213 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/combinators.rs:212:9 [INFO] [stdout] | [INFO] [stdout] 212 | Ok(out) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/builtins.rs:81:70 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn whitespace(s: &mut ParserString) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 82 | | let mut ctr = 0; [INFO] [stdout] 83 | | [INFO] [stdout] 84 | | while let Ok(c) = next.parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 94 | | Ok(ctr) [INFO] [stdout] 95 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/builtins.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ctr) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/tests.rs:70:15 [INFO] [stdout] | [INFO] [stdout] 70 | let vec = word.map(|v| dbg!(v)).after(whitespace.map(|i| dbg!(i))) [INFO] [stdout] | _______________^ [INFO] [stdout] 71 | | .many().parse(&mut input).unwrap(); [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `parsa` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }` [INFO] [stdout] 4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6